libphonenumber-js
Version:
A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript
55 lines (49 loc) • 1.3 kB
JavaScript
import isObject from './helpers/isObject.js'
// Extracts the following properties from function arguments:
// * input `text`
// * `options` object
// * `metadata` JSON
export default function normalizeArguments(args) {
const [arg_1, arg_2, arg_3, arg_4] = Array.prototype.slice.call(args)
let text
let options
let metadata
// If the phone number is passed as a string.
// `parsePhoneNumber('88005553535', ...)`.
if (typeof arg_1 === 'string') {
text = arg_1
}
else throw new TypeError('A text for parsing must be a string.')
// If "default country" argument is being passed then move it to `options`.
// `parsePhoneNumber('88005553535', 'RU', [options], metadata)`.
if (!arg_2 || typeof arg_2 === 'string')
{
if (arg_4) {
options = arg_3
metadata = arg_4
} else {
options = undefined
metadata = arg_3
}
if (arg_2) {
options = { defaultCountry: arg_2, ...options }
}
}
// `defaultCountry` is not passed.
// Example: `parsePhoneNumber('+78005553535', [options], metadata)`.
else if (isObject(arg_2))
{
if (arg_3) {
options = arg_2
metadata = arg_3
} else {
metadata = arg_2
}
}
else throw new Error(`Invalid second argument: ${arg_2}`)
return {
text,
options,
metadata
}
}